Yes I think the answer is B concrete.
During the Civil War (1861 – 1865), both the Union and the Confederacy organized their economies and civilizations to wage the war even though facing significant home front opposition. Even though Confederate leadership presented initiative and bold initial in the war, the Union eventually prospered due to better military leadership, more real strategies, key conquests, greater capitals, and the war annihilation of the South's setting and structure.
an Indentured servant is the people that came to the Americas in the 17th, 18th, and 19th century and worked for a period of time usually seven years after signing a contract after completion they were given freedom
"False consciousness". is known to be the way of thinking, which prevents men from knowing or seeing the true nature of their current economic or social state. False consciousness delivers pervaded ideology, which makes men blind from the truth and the true situation of their lives.